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2-18 SPARC Enterprise M8000/M9000 Servers Service Manual • October 2012
2.3.2 Appearance and Operations
The operator panel can be used while the front door of the server is closed. Field engineers,
and the system administrator use the operation panel to check the operating state of the
server and to perform system power operations. The operating state of the server is checked
by observing the LEDs, and the power supply is operated with the POWER switch.
FIGURE 2-13 shows the appearance of the operator panel.
FIGURE 2-13 Operator Panel
2.3.3 LED
TABLE 2-1 lists the states of the server that are displayed with the LEDs on the operator panel.
The blinking period is one second (frequency of 1 Hz).
Besides the states listed in
TABLE 2-1, the operator panel also displays various states of the
server using combinations of the three LEDs.
TABLE 2-2 indicates the states that are usually
displayed in the course of operation from the power-on to power-off of the high-end server.
TABLE 2-1 State Display by the LEDs (Operator Panel)
LED Name Light Color Description of Function and State
POWER Green Indicates whether power to the SPARC Enterprise server is on.
Off Indicates the power-off state.
Lit Indicates the power-on state.
Blinking The power-off sequence is in progress.